/* ════════════════════════════════════════════
   VARIANT A — Editorial Industrial
   Fraunces serif display + Manrope body
   Off-white / Ink black / Rust orange
   ════════════════════════════════════════════ */

:root {
  --bg: #f5f2ec;
  --bg-2: #ebe6dc;
  --ink: #0d0d0d;
  --ink-soft: #3a3a38;
  --ink-mute: #6b6b66;
  --rust: #c2410c;
  --rust-deep: #8a2e08;
  --rule: rgba(13, 13, 13, 0.14);
  --rule-strong: rgba(13, 13, 13, 0.5);
  --warm: #d9cfbd;

  --serif: "Fraunces", "Noto Serif KR", serif;
  --sans: "Manrope", "Pretendard", "Noto Sans KR", sans-serif;
  --mono: "JetBrains Mono", monospace;

  --max: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Grain overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .45 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.5'/></svg>");
  opacity: 0.18;
  mix-blend-mode: multiply;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: transparent; }

/* ─────────────────────────────────────────── */
/* NAV                                         */
/* ─────────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 22px var(--gutter);
  background: rgba(245, 242, 236, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav__brand {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.nav__brand em { color: var(--rust); font-style: italic; font-weight: 400; }
.nav__links {
  display: flex; gap: 34px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.nav__links a { position: relative; padding: 4px 0; }
.nav__links a::after {
  content: ""; position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--rust);
  transition: right 0.35s ease;
}
.nav__links a:hover::after, .nav__links a.is-active::after { right: 0; }
.nav__meta {
  justify-self: end;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.nav__meta .dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--rust);
  margin-right: 8px;
  transform: translateY(-1px);
  animation: blink 2.6s infinite;
}
@keyframes blink { 0%, 60%, 100% { opacity: 1; } 70%, 85% { opacity: 0.25; } }

@media (max-width: 860px) {
  .nav { grid-template-columns: 1fr auto; }
  .nav__meta { display: none; }
  .nav__links { gap: 18px; }
  .nav__links a { font-size: 10px; }
}

/* ─────────────────────────────────────────── */
/* LAYOUT                                      */
/* ─────────────────────────────────────────── */
main { padding-top: 0; }
.section {
  padding: clamp(80px, 10vw, 160px) var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}
.section--tight { padding-top: 0; }
.section--alt { background: var(--bg-2); max-width: none; }
.section--alt > .inner {
  max-width: var(--max);
  margin: 0 auto;
}

.rule { border: 0; border-top: 1px solid var(--rule); margin: 0; }
.rule--strong { border-top-color: var(--rule-strong); }

/* ─────────────────────────────────────────── */
/* HERO                                        */
/* ─────────────────────────────────────────── */
.hero {
  padding: 140px var(--gutter) 40px;
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}
.hero__meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule-strong);
}
.hero__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(56px, 10vw, 180px);
  line-height: 0.92;
  letter-spacing: -0.025em;
  margin: 48px 0 0;
}
.hero__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--rust);
}
.hero__title .thin {
  font-weight: 300;
  color: var(--ink-soft);
}
.hero__grid {
  margin-top: 72px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: clamp(28px, 4vw, 72px);
  align-items: start;
}
@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; gap: 36px; }
}
.hero__lede {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 34ch;
}
.hero__lede::first-letter {
  font-family: var(--serif);
  font-size: 3.2em;
  font-style: italic;
  font-weight: 400;
  float: left;
  line-height: 0.85;
  padding: 6px 10px 0 0;
  color: var(--rust);
}
.hero__fact dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 8px;
}
.hero__fact dd {
  margin: 0;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero__fact .unit {
  font-family: var(--sans);
  font-size: 0.38em;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  margin-left: 8px;
}

/* ─────────────────────────────────────────── */
/* FEATURE BAR                                 */
/* ─────────────────────────────────────────── */
.feature-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}
.feature-bar > div {
  padding: 28px 24px;
  border-right: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.feature-bar > div:last-child { border-right: 0; }
.feature-bar strong {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: 28px;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--rust);
  margin-bottom: 10px;
}
@media (max-width: 860px) {
  .feature-bar { grid-template-columns: repeat(2, 1fr); }
  .feature-bar > div { border-bottom: 1px solid var(--rule); }
  .feature-bar > div:nth-child(2n) { border-right: 0; }
}

/* ─────────────────────────────────────────── */
/* SECTION HEADERS                             */
/* ─────────────────────────────────────────── */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--rust);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "§";
  font-family: var(--serif);
  font-size: 16px;
  color: var(--rust);
}
.section-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(40px, 5.5vw, 84px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 20px 0 0;
  max-width: 16ch;
}
.section-title em { font-style: italic; font-weight: 400; color: var(--rust); }

.section-lede {
  margin-top: 32px;
  max-width: 58ch;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* ─────────────────────────────────────────── */
/* PROCESS / OFFERINGS (magazine grid)         */
/* ─────────────────────────────────────────── */
.offer {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 32px 28px;
}
@media (max-width: 860px) {
  .offer { grid-template-columns: 1fr; gap: 40px; }
}
.offer__item { position: relative; }
.offer__item .num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 120px;
  line-height: 0.8;
  color: var(--rust);
  opacity: 0.28;
  letter-spacing: -0.04em;
}
.offer__item h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 18px 0 14px;
}
.offer__item h3 em { font-style: italic; color: var(--rust); }
.offer__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 40ch;
}
.offer__item .tag {
  margin-top: 20px;
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border-top: 1px solid var(--rule-strong);
  padding-top: 10px;
}
.offer__item--lg { grid-column: span 6; }
.offer__item--md { grid-column: span 3; }
@media (max-width: 1024px) {
  .offer__item--lg { grid-column: span 12; }
  .offer__item--md { grid-column: span 6; }
}
@media (max-width: 680px) {
  .offer__item--md { grid-column: span 12; }
}

/* ─────────────────────────────────────────── */
/* PULL QUOTE                                  */
/* ─────────────────────────────────────────── */
.pull {
  padding: clamp(60px, 9vw, 120px) var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}
.pull blockquote {
  margin: 0;
  font-family: var(--serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(32px, 4.4vw, 72px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  max-width: 22ch;
}
.pull blockquote::before {
  content: "“";
  font-family: var(--serif);
  font-size: 2em;
  line-height: 0;
  color: var(--rust);
  margin-right: 6px;
  vertical-align: -0.1em;
}
.pull cite {
  display: block;
  margin-top: 32px;
  font-family: var(--mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ─────────────────────────────────────────── */
/* PLACEHOLDER (photo frame)                   */
/* ─────────────────────────────────────────── */
.ph {
  position: relative;
  background: var(--warm);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px 20px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #2a2a28;
  filter: grayscale(1) contrast(1.05);
  isolation: isolate;
}
.ph::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(0,0,0,0.35);
  z-index: 0;
}
.ph::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(135deg, rgba(0,0,0,0.08) 0 1px, transparent 1px 12px);
  z-index: 0;
  pointer-events: none;
}
.ph > * { position: relative; z-index: 1; }
.ph__head { display: flex; justify-content: space-between; }
.ph__label { font-family: var(--serif); font-style: italic; font-size: 22px; text-transform: none; letter-spacing: 0; color: var(--ink); }
.ph__foot { display: flex; justify-content: space-between; align-items: end; }
.ph__foot small { font-family: var(--mono); font-size: 9px; }
.ph--wide { aspect-ratio: 16 / 9; }
.ph--sq { aspect-ratio: 1 / 1; }

/* ─────────────────────────────────────────── */
/* TIMELINE                                    */
/* ─────────────────────────────────────────── */
.timeline {
  margin-top: 56px;
  border-top: 1px solid var(--rule-strong);
}
.tl-row {
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.tl-row .year {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 40px;
  line-height: 1;
  color: var(--rust);
}
.tl-row h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
}
.tl-row p { margin: 0; color: var(--ink-soft); font-size: 15px; max-width: 42ch; }
@media (max-width: 720px) {
  .tl-row { grid-template-columns: 100px 1fr; }
  .tl-row p { grid-column: 1 / -1; }
  .tl-row .year { font-size: 30px; }
}

/* ─────────────────────────────────────────── */
/* MATERIALS STRIP                             */
/* ─────────────────────────────────────────── */
.materials {
  display: flex;
  gap: 32px;
  overflow: hidden;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  padding: 28px 0;
  font-family: var(--serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(32px, 4vw, 60px);
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.materials span { display: inline-flex; align-items: center; gap: 32px; }
.materials span::after {
  content: "✦";
  font-size: 0.6em;
  color: var(--rust);
  font-style: normal;
}
.materials .track {
  display: inline-flex;
  gap: 32px;
  animation: marq 40s linear infinite;
}
@keyframes marq { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ─────────────────────────────────────────── */
/* CONTACT                                     */
/* ─────────────────────────────────────────── */
.contact-grid {
  margin-top: 72px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-grid dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 10px;
}
.contact-grid dd {
  margin: 0 0 32px;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(22px, 2.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.contact-grid a { border-bottom: 1px solid var(--rule-strong); padding-bottom: 2px; }
.contact-grid a:hover { color: var(--rust); border-bottom-color: var(--rust); }

.form {
  display: grid;
  gap: 18px;
}
.form label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-mute); }
.form input, .form textarea, .form select {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule-strong);
  padding: 10px 0 12px;
  font: inherit;
  color: inherit;
  font-family: var(--serif);
  font-size: 18px;
}
.form textarea { resize: vertical; min-height: 110px; font-family: var(--sans); font-size: 16px; }
.form input:focus, .form textarea:focus { outline: 0; border-bottom-color: var(--rust); }
.form .submit {
  margin-top: 12px;
  justify-self: start;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 14px 28px;
  background: var(--ink);
  color: var(--bg);
  transition: background 0.3s ease;
}
.form .submit:hover { background: var(--rust); }

/* ─────────────────────────────────────────── */
/* CTA BLOCK                                   */
/* ─────────────────────────────────────────── */
.cta {
  padding: clamp(80px, 10vw, 160px) var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--rule-strong);
}
.cta h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(40px, 6vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 14ch;
}
.cta h2 em { color: var(--rust); font-style: italic; }
.cta__row {
  margin-top: 40px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 18px 28px;
  border: 1px solid var(--ink);
  transition: background 0.3s ease, color 0.3s ease;
}
.btn--solid { background: var(--ink); color: var(--bg); }
.btn--solid:hover { background: var(--rust); border-color: var(--rust); }
.btn--ghost:hover { background: var(--ink); color: var(--bg); }

/* ─────────────────────────────────────────── */
/* FOOTER                                      */
/* ─────────────────────────────────────────── */
.foot {
  background: var(--ink);
  color: #d9cfbd;
  padding: 96px var(--gutter) 48px;
}
.foot__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
@media (max-width: 860px) { .foot__inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot__inner { grid-template-columns: 1fr; } }
.foot h5 {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #8a7f6d;
}
.foot p, .foot li { font-family: var(--sans); font-size: 14px; line-height: 1.7; color: #d9cfbd; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot a:hover { color: #ffb98a; }
.foot__brand {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--bg);
  margin-bottom: 18px;
}
.foot__brand em { color: var(--rust); font-style: italic; }
.foot__bottom {
  max-width: var(--max);
  margin: 72px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #8a7f6d;
}

/* ─────────────────────────────────────────── */
/* PAGE HEAD (inner pages)                     */
/* ─────────────────────────────────────────── */
.pagehead {
  padding: 160px var(--gutter) 80px;
  max-width: var(--max);
  margin: 0 auto;
}
.pagehead__meta {
  display: flex;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule-strong);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.pagehead__title {
  margin-top: 48px;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(56px, 10vw, 160px);
  line-height: 0.92;
  letter-spacing: -0.025em;
}
.pagehead__title em { font-style: italic; font-weight: 400; color: var(--rust); }
.pagehead__lede {
  margin-top: 40px;
  max-width: 50ch;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.55;
  color: var(--ink-soft);
}

/* ─────────────────────────────────────────── */
/* TWO-COL ARTICLE                             */
/* ─────────────────────────────────────────── */
.article {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(32px, 5vw, 96px);
  margin-top: 56px;
}
@media (max-width: 860px) { .article { grid-template-columns: 1fr; } }
.article h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: 36px;
  margin: 0 0 16px;
  color: var(--rust);
}
.article p { font-size: 16px; line-height: 1.75; color: var(--ink-soft); }
.article p + p { margin-top: 14px; }

/* ─────────────────────────────────────────── */
/* EQUIPMENT TABLE                             */
/* ─────────────────────────────────────────── */
.eq-table {
  margin-top: 56px;
  border-top: 1px solid var(--rule-strong);
}
.eq-row {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.eq-row h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
}
.eq-row h4 em { font-style: italic; color: var(--rust); }
.eq-row ul { margin: 0; padding: 0 0 0 18px; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }
.eq-row .badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rust);
  border: 1px solid var(--rust);
  padding: 6px 12px;
  border-radius: 999px;
}
@media (max-width: 720px) { .eq-row { grid-template-columns: 1fr; } }

/* ─────────────────────────────────────────── */
/* CLIENT / CERT LOGOS                         */
/* ─────────────────────────────────────────── */
.logos {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--rule-strong);
  border-left: 1px solid var(--rule);
}
.logos > div {
  aspect-ratio: 3 / 2;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.logos > div strong {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 18px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
}
@media (max-width: 860px) { .logos { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 520px) { .logos { grid-template-columns: repeat(2, 1fr); } }

/* ─────────────────────────────────────────── */
/* REVEAL ON SCROLL                            */
/* ─────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s ease, transform 0.9s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}